Proton Authenticator
Proton Authenticator Summary
Proton Authenticator is a Android app in the Productivity category, developed by Proton AG. First released 5 months ago(Jul 2025), the app has accumulated 213K+ total installs and 4.9K ratings with a 4.89★ (excellent) average rating.
Recent activity: 5.4K installs this week (30.3K over 4 weeks) showing declining growth , and 96 new ratings this week (697 over 4 weeks) with declining momentum. View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Nov 24, 2025. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Sep 1, 2025.
Store info: Last updated on Google Play on Nov 4, 2025 (version 10200000).
4.89★
Ratings: 4.9K
Screenshots
App Description
Secure, end-to-end encrypted, open source, and available on every device
Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.
Proton Authenticator is open-source, end-to-end encrypted, and backed by Swiss privacy laws. It’s the safest way to generate and store your one-time passwords (TOTP) for 2FA Login.
Why Proton Authenticator?
- Free to use: No Proton account required, ad-free.
- Offline support, on mobile and desktop apps
- Sync your 2FA codes to all your devices with end-to-end encryption.
- Enable automatic backups for peace of mind
- Easily import from other 2FA apps, or export from Proton Authenticator.
- Protect your account with biometrics or a PIN code.
- Open-source transparency, verifiable code.
- Protected by Switzerland’s privacy laws.
Trusted by millions. Built by Proton.
Take control of your digital security today.

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